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#include <iostream>
#include<stdio.h>
#include<string.h>
#include<fstream>
using namespace std;
class movie
{
int movieno;
char moviename[25];
float price;
public:
int compare(char nm[])
{
if(strcmpi(moviename,nm)==0)
return 1;
else
return 0;
}
void input();
void display();
float return_price(){return price;}
int return_mno(){return movieno;}
void inc()
{ if(price>200)
price=price*1.1;
}
};
void movie::input()
{
cout<<"enter movie no";cin>>movieno;
cout<<endl<<"enter movie name : ";cin.ignore();cin.getline(moviename,25);
cout<<endl<<"enter price";cin>>price;
}
void create()
{ ofstream fout;
fout.open("movie.dat",ios::out|ios::binary);
movie m1; char ch;
do
{
m1.input();
fout.write((char*)&m1,sizeof(m1));
cout<<"want to enter more?(y/n)";
cin>>ch;
}while(ch=='y');
fout.close();
}
void movie::display()
{
cout<<"movie no : "<<movieno<<endl;
cout<<"movie name : "<<moviename<<endl;
cout<<"price : "<<price<<endl;
}
void output()
{ ifstream fin;
fin.open("movie.dat",ios::binary|ios::in);
movie m1;
fin.read((char*)&m1,sizeof(m1));
while(fin)
{
m1.display();
fin.read((char*)&m1,sizeof(m1));
}
fin.close();
}
void append()
{
ofstream fout;
fout.open("movie.dat",ios::app|ios::binary);
char ch='y';movie m1;
m1.input();
fout.write((char*)&m1,sizeof(m1));
cout<<"wnat to enter more??";cin>>ch;
while(ch=='y')
{
m1.input();
fout.write((char*)&m1,sizeof(m1));
cout<<"want to enter more?";cin>>ch;
}
fout.close();
}
void search1()
{
char name[25];
cout<<"enter name : ";cin.ignore();cin.getline(name,25);
ifstream fin;
fin.open("movie.dat",ios::binary|ios::in);
movie m1;
fin.read((char*)&m1,sizeof(m1));
while(fin)
{
if(m1.compare(name))
cout<<"price is : "<<m1.return_price();
fin.read((char*)&m1,sizeof(m1));
}
fin.close();
}
void increase()
{
movie m1;
ifstream fin;
ofstream fout;
fin.open("movie.dat",ios::binary|ios::in);
fout.open("temp.dat",ios::binary|ios::out);
fin.read((char*)&m1,sizeof(m1));
while(fin)
{ m1.inc();
fout.write((char*)&m1,sizeof(m1));
fin.read((char*)&m1,sizeof(m1));
}
fin.close();
fout.close();
remove("movie.dat");
rename("temp.dat","movie.dat");
}
void delete1()
{ char nm[25];
cout<<"enter name";cin.ignore();cin.getline(nm,25);
ifstream fin;
fin.open("movie.dat",ios::binary|ios::in);
ofstream fout;
fout.open("temp.dat",ios::binary|ios::out);
movie m1;
fin.read((char*)&m1,sizeof(m1));
while(fin)
{
if(m1.compare(nm))
cout<<"deleted";
else
fout.write((char*)&m1,sizeof(m1));
fin.read((char*)&m1,sizeof(m1));
}
fin.close();
fout.close();
remove("movie.dat");
rename("temp.dat","movie.dat");
}
void insert1()
{
movie m2;char ch='y';int x;
m2.input();
movie m1;
ifstream fin;
fin.open("movie.dat",ios::binary|ios::in);
ofstream fout;
fout.open("temp.dat",ios::binary|ios::out);
fin.read((char*)&m1,sizeof(m1));
while(fin,ch=='y')
{
if(m2.return_mno()>=m1.return_mno())
fout.write((char*)&m1,sizeof(m1));
else
{
fout.write((char*)&m2,sizeof(m2));
ch='n';
}
}
if(ch=='n')
{
while(fin)
{
fout.write((char*&)m1,sizeof(m1));
fin.read((char*)&m1,sizeof(m1));
}
}
fin.close();
fout.close();
remove("movie.dat");
rename("temp.dat","movie.dat");
}
int main()
{
int ch;char choice;
do{
cout<<"enter 1 to input "<<endl;
cout<<"enter 2 to output "<<endl;
cout<<"enter 3 to append "<<endl;
cout<<"enter 4 to search "<<endl;
cout<<"enter 5 to increase "<<endl;
cout<<"enter 6 to delete "<<endl;
cout<<"enter 7 to insert "<<endl;
cin>>ch;
switch(ch)
{
case 1 : create();break;
case 2 : output();break;
case 3 : append();break;
case 4 : search1();break;
case 5 : increase();break;
case 6 : delete1();break;
case 7 : insert1();break;
}
cout<<"want to cont?";cin>>choice;
}while(choice=='y');
}
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